Solid Round Silicone Rubber O-Ring Cord Waterproof Seal Gasket Ø 1mm - 25mm. 【Specification】: Ø1mm, Ø1.5mm, Ø2mm, Ø2.5mm, Ø3mm, Ø4mm, Ø5mm, Ø6mm, Ø7mm, Ø8mm, Ø9mm, Ø10mm, Ø11mm, Ø12mm, Ø14mm, Ø15mm, Ø16mm, Ø18mm, Ø20mm, Ø25mm.
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